<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

</head>
<body>
<div aria-live="polite" aria-atomic="true"  style="position: relative;z-index: 99999;" >
  <!-- Position it -->
  <div style="position: absolute; top: 0; right: 0; margin-top: 80px;margin-right: 20px;" id="message_Div">
<!--自动添加-->
  </div>
</div>
<script>



</script>

</body>
</html>